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Post by Trubrit on Mar 26, 2012 21:03:13 GMT 1
Just Finished A Build With A New Pair Of PWK 28s , Come With 45/152 jets , Spec Is 350 Lc , Ram Air Filters , Higspeed Pipes , Cant Seem To Get It Running Quite Right , Does The Jetting Sound About Right ....I Know This Is A Big Grey Area.......
Dave.......
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Post by johnlc on Mar 26, 2012 21:13:02 GMT 1
What slides and needles does it have oil pump or premix
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Post by Trubrit on Mar 27, 2012 5:47:28 GMT 1
Running Pump , Will Have To Have Them Apart To Find Out What Needles & Slides ......1st Attempt Clip In Mid Position Air Screw 1 & Half Out Would Not Pull Off Unless You Blip The Throttle To Build Up Revs & Would Only Pull Thru Rev Range If You Feathered Throttle If You Gave It A Fistfull It Would Just Bog Down......
2nd Atempt clip at the top Would not want to pull off at all But A bit better on the rev range
3rd Clip At the bottom pulls off spot on but just bogs down mid revs no matter what i do with the throttle........
Dave...
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Post by Trubrit on Mar 27, 2012 8:17:09 GMT 1
They Are A Brand New Pair Ordered From Motocarb , With The Spec I Mentioned Above.......
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Post by jessy03 on Mar 27, 2012 10:42:05 GMT 1
Pilots sound to big to me, try some 42's or even smaller
Jess
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Post by midlifecrisisrd on Mar 27, 2012 15:13:34 GMT 1
Messing with this at the moment, 42 pilots probably nearer for foam filters.
I used the airbox and the 42,s are too rich so just bought 40 and 38 which are standard with the kr1. Also as recommended fitted the jjh needles but think the new carbs had different slides and needles.
If the smaller pilots in mine work i will have a pair spare.
Steve
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Post by nikfubar on Mar 27, 2012 15:29:02 GMT 1
Messing with mine aswell  42 pilots working well with the foam filters but my mains are too big at 155 so a bit flat at WOT even with JJH needles at clip 1 (leanest) gonna drop mains to 152.5 like Headcoats & see if that improves things  |
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Post by jessy03 on Mar 27, 2012 15:31:21 GMT 1
My specs are
With airbox, no lid or filter just some of the wife's tights.
38 pilots
130 mains
Jjh needles, clip one from top
Other bike with foam filters
42 pilots
152 mains
Jjh needles, middle clip
Both have a fast road tune and ignition modification
Hope that helps
Jessy
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Post by nikfubar on Mar 27, 2012 15:36:22 GMT 1
Running Pump , Will Have To Have Them Apart To Find Out What Needles & Slides ......1st Attempt Clip In Mid Position Air Screw 1 & Half Out Would Not Pull Off Unless You Blip The Throttle To Build Up Revs & Would Only Pull Thru Rev Range If You Feathered Throttle If You Gave It A Fistfull It Would Just Bog Down...... 2nd Atempt clip at the top Would not want to pull off at all But A bit better on the rev range 3rd Clip At the bottom pulls off spot on but just bogs down mid revs no matter what i do with the throttle........ Dave... Sounds like your pilots & mains are both to big, you still got the spare jets I sold you with that set of PWK28s as they were smaller. (think it was you I sold them too) BTW if you fancy selling the 152 jets I'll have em, hate dealing with Allens  |
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Post by Trubrit on Mar 27, 2012 15:52:26 GMT 1
Cheers For The Replys Guys Will Have A Look At What Spare Jets I Have , Got Quite a few with the new PWKs just pilots , No Mains ......& Yes Nik It Was Me You Sold yours to If I need smaller ones you are welcome to my spares..........
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Post by cb250g5 on Mar 27, 2012 19:04:40 GMT 1
When I needed PWK jets I used www.z1enterprises.com/Cheaper than Allens, even with delivery from the states, arrived within the week, and no dealing with their legendary "customer service" That said, the last time I used Allens, they were OK, maybe it depends who picks the phone up. I'd use Z1 for cheap to post items though. |
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Post by midlifecrisisrd on Mar 27, 2012 21:33:22 GMT 1
Used splatshop the last couple of times, no problems.
Laughing at the wifes tights used as a filter, had thought of that but discarded that, might try it now.
Steve
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Post by johnlc on Mar 28, 2012 16:20:15 GMT 1
Think i'm on 40 pilots n99 needles and 145 mains runs slightly rich may need to weaken the needle a norch currently on muddle position slides have 4.0 cutaway
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42 pilots working well with the foam filters but my mains are too big at 155 so a bit flat at WOT even with JJH needles at clip 1 (leanest) gonna drop mains to 152.5 like Headcoats & see if that improves things 
